Redefining “work horse” rope, the Edelweiss Cevian Unicore 11 mm is a robust static line guaranteed to work as hard as you do.. . This product will be shipped directly from Edelweiss and will leave their warehouse in 2-3 business days. Eligible for UPS ground shipping only.. . . . Unicore technology bonds the sheath and core without affecting the suppleness of the rope; resistant to moisture and eliminates sheath slippage and bunching. Bonding the core and sheath together also allows for safe escape should the rope become damaged during use. UV-resistant polyester sheath with static nylon core. Breaking strength: 36 kN. CI 1801; meets performance requirements of NFPA 1983:2012. Made in the USA.